Wooden Door Concealed Hydraulic Door Closer Hinge Hidden Floor Spring

• Customization: Available
• Function: Buffer, Drive, Restoration, Measurement
• Material: Steel
• Load Type: Extension
• Production Process: Cold Roll
• Shape: Conical
• Free Sample: Free Sample Is Available
• Surface Treatment: Customized
• Peen Shoted: Yes
• Passivation: Yes
• Transport Package: Custom as Requirements
• Specification: Custom as requirements
• Trademark: Zihuoli
• Origin: China
• HS Code: 7320209000
• Production Capacity: 80000000/Week

Product Description

Leading Factory Stainless Steel Adjustable Torsion Spring Manufacturer Constant Force Extension Spring           
Zihuoli manufacture and supply all kinds of spring. Welcome to contact with us! We provide OEM service for yours pring . We have large stocks of material; i Stainless steel, Carbon steel(SWC),music wire/piano wire(SWP),Beryllium copper, Brass, Alloy steel, SEA9260/9254/SUP9/SUP10/SUP12/51CRV4,etc. To increase fatigue life springs can be shot-peened, and finishing - such as plating and powder-coating, can be applied via our approved sub-contractors.
 

Wire Diameter	0.1 to 18mm
Material	Stainless steel, Carbon steel,music wire/piano wire,Beryllium copper, Brass, Alloy steel,etc
Processing Craft	Material-purchased- Producing-First testing-Coiling-Inspection-Heat treatment-Cleaning-Surface treatment- Final testing-Packing-shipping
Packing	Inner packing with plastic bags, and then carton boxes for the outer packing, and then the wooden or plastic pallets for request
Usage	All kinds of cars, machinery, home appliance, electrical products, electrical appliance, stationery, computers, power switches, miniature switches, architecture, commodity and A/V equipment, medical equipment, sports equipment, toys, hardware and plastic molds, gifts and so on.
Test Equipment	Projectors; Digital hardness tester; Digital torsion strength tester; Digital compression and torsion strength tester; Elasticity tester; Life tester; Salt spray test machine etc.

 

Zihuoli spring was founded in 2007, specialized in manufacturing high-quality custom wire springs. Our spring manufacturing capabilities include custom design, prototyping, and manufacturing of compression, extension, torsion springs and wire forms with wire diameter ranging from .004" to.709" (0.1mm to:18mm). Our company has 8,000 square meters of production workshops and more than 60 employees with nearly 100 sets of auto production machines. Each department has a number of professional chefs. With the most advanced equipment in the industry, improving our efficiency, quality and stability to produce high quality and inexpensive products.
Our Advantages
• One-stop Service
• Providing Comprehensive Solution Since 2007
• Factory-direct Price
• Small Order is Welcome
• Offer Agreement Business Secret Contract
• Full Refund in Case of Poor Quality
• 3% Discount For New Customers

 

 

 

 

 

 

FAQ
1.Do you offer custom service?
Yes, it's our job, send us your specification or drawings, and we will make you perfect products. Or tell us your idea for
getting a design from us.

2.What's your main products?
Compression Spring, Extension Spring, Torsion Spring, Wire Forming Spring, Stamping Parts and so on

3.How about the Processing Craft?
Material-purchased- Producing-First testing-Coiling-Inspection-Heat treatment-Cleaning-Surface treatment- Final testing-Packing-shipping

4.How about your Supply Capacity?
7000,000-9000,000pcs/week